Saint Borromeo often prayed in this austere crypt during the 16th century.

Distressing images of the Last Judgement adorn the walls of this medieval sanctuary.

The haunting cadaver tomb of a famous French poet, playwright, and filmmaker.

This magical grotto is adorned with a complex pattern of native seashells, minerals, and fragments of colored glass.

According to a gruesome legend, an architect sacrificed his wife to build this spectacular, 16th-century cathedral.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Once used to screen films for theater owners to rent, this historic building is now a start up hub.

Local legend holds that if you can make it up this steep cobblestone stairway without taking a breath, you'll have wish come true.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

Established over a thousand years ago, this family-run teahouse continues to serve skewers of sweet rice cake to this day.

Acrosticism and palindromes on this randomly placed stone.

The evocative ruins of a medieval village.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

The huge golden reliquary of a testicle-smashing saint.

Historic medieval fortified city in southwest France.

This impressive chasm is one of the longest natural underground cavities in the world.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

Ancient paintings known as the "Sistine Chapel of Cave Art."

Enjoy dishes that founding fathers once ate at this Colonial Williamsburg pub.

The oldest tavern in Lowell has dedicated fans of its fan.

A small-town limestone memorial to a local cartoonist and to Porky Pig, his most famous subject.